QT60486-AS Atmel, QT60486-AS Datasheet - Page 4

• Manufacturer Part Number: QT60486-AS
• Description: SENSOR IC MTRX TOUCH48KEY 44TQFP
• Manufacturer: Atmel
• Series: QMatrix™, QProx™r
• Type: Capacitiver

Specifications of QT60486-AS

• Rohs Status: RoHS non-compliant
• Number Of Inputs/keys: 48 Key
• Resolution (bits): 9, 11 b
• Data Interface: Serial, SPI™, UART
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 25mA
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP, 44-VQFP
• Output Type: *
• Interface: *
• Input Type: *
• For Use With: 427-1088 - BOARD EVAL QT60486-AS QMATRIX

2.1 Wiring
Table 2.1 - Pin Listing
Applies to all devices
lQ
Advanced information; subject to change
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
1
2
3
4
5
6
7
8
9
Function
S_Sync
DRDY
MOSI
MISO
/RST
SMP
SCK
Y3A
Y2A
Y1A
Y0A
Y0B
Y1B
Y2B
Y3B
Y4A
Y4B
Y5A
Y5B
LED
Vdd
XT2
XT1
Vdd
Vdd
Vdd
Vdd
Vref
Vss
WS
Vss
Vss
Vss
/SS
Rx
X0
X1
X2
X3
X4
X5
X6
X7
Tx
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
P
P
P
P
P
P
P
P
P
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
SPI data input
SPI data output
SPI clock input
Reset low
Power, +5V
Supply ground
16 MHz 3-terminal resonator
UART receive data input
UART transmit data; use 10K ~ 50K pullup
Wake-up from sleep input / sync input
Sample output. Also - When forced high before
reset, induces ‘factory defaults’ into all setups.
Y line connection
Y line connection
Y line connection
Y line connection
Power, +5V
Supply ground
X matrix drive line
X matrix drive line
X matrix drive line
X matrix drive line
X matrix drive line
X matrix drive line
X matrix drive line
X matrix drive line
Power, +5V
Supply ground
Power, +5V
Y line connection
Y line connection
Y line connection
Y line connection
Y line connection
Y line connection
Y line connection
Y line connection
Power, +5V
Supply ground
Status output / LED indicator drive
1= Comms ready; use 10K ~ 50K pullup
0.05V nominal +/-10% via external divider
Scope Sync: Synchronization test signal
SPI slave select
Comments
4
If Unused, Connect To..
Use 1nF dummy Cs
Use 1nF dummy Cs
Use 1nF dummy Cs
Use 1nF dummy Cs
Use 1nF dummy Cs
Use 1nF dummy Cs
Use 1nF dummy Cs
Use 1nF dummy Cs
Use 1nF dummy Cs
Use 1nF dummy Cs
Use 1nF dummy Cs
Use 1nF dummy Cs
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
Vss or Vdd
Vss or Vdd
Vss or Vdd
QT60486-AS 0.07/1103
Vdd
Vdd
Vdd
-
-
-
-
-
-
-
-
-
-
-
-